I think you could also have multiple pipe cleaners coming from one number and students have to show multiple ways to add numbers to get to that number. Counting with pipe cleaners and beads. Great for fine motor development too.
Felt Button Chain Busy Bag for Toddlers & Preschoolers!
Could use this to build buttoning fluency DIY Felt Button Chain - Simple Busy Bag developing fine motor skills, colour recognition & learning a practical self-care task! Perfect for Toddlers & Preschoolers!